Hot-water heating system.



HOT WATER HEATING SYSTEM.

' AP PLIOATION IILED AUG. 22, 1904.

WITNESSES INVENTORSZ ANDREW a mum co, Pnow-umonm nzns. WASHWGYDN. u c.

UNITED STATES j PATENT OFFIO JOHN H. THISSEN, OF KNOXVILLE, AND JOHN R. VANDER PUTTEN, OF PITTSBURG, PENNSYLVANIA.

HOT-WATER HEATING SYSTEM.

Specification of Letters Patent.

Patented Aug. 8, 1905.

Application filed August 22, 1904. Serial No. 221,657.

To all whom, it may concern/.-

Be it known that we, JOHN H. THISSEN,

I residing at Knoxville, and JoHNR. VANDER PUTTEN, residing at Pittsburg, State of Pennsylvania, have invented a new and useful Improvement in Hot-Water Heating Systems; and we do hereby declare the following to be a full, clear, and exact description thereof.

Our invention relates to water-heaters; and the object is to provide a water-heater which is so constructed that it may be fitted or built into an ordinary fireplace and so arranged that the flame of the burner, whether coal or gas, will spread over the front face of said heater, thus warming the room in the usual way and also heating the water in said heater, which hot water may be used for heating the room above or for other purposes. In this manner a cheap and economical way of warming a dwelling or other building is provided.

The invention also consists in certain details and arrangement of parts hereinafter described and claimed.

In the accompanying drawings, Figure 1 is an elevation view showing in front elevation a fireplace with the heater therein and the connections to a radiator to a room above. Fig. 2 is a transverse vertical section through the heater. Fig. 3 is a longitudinal section of the same on the line 3 3, Fig. 4; and Fig. 4 is a section on the line 4 4, Fig. 3.

Our heater is constructed to fit into any ordinary fireplace in the manner of the heatdeflecting backs of ordinary gas-grates. In the drawings it is shown placed in a fireplace formed in the brickwork 1, as is the usual custom. The heater consists of a chamber 2, the form of which may be varied within wide limits, that shown in the drawings be. ing rectangular in shape and having practically flat front face 3 and rear face 4. This heater is provided with the cold-water inlet 5 and the hot-water service-pipe 6, this preferably being arranged as shown in Figs. 1 and 4, the cold water entering near the bottom and the hot water leaving from the top. Extending through this chamber from top to bottom are a series of flues 8, these communicating at their upper ends with the front face of the heater, this being conveniently accomplished by providing a hoodplate 9, extending from the rear portion of the heater upwardly and forwardly over the top thereof, so as to form, in effect, a flue from the front surface to the upper ends of the vertical flues 8. At their lower ends the vertical flues 8 communicate with the flue 10, which extends up along the back of the heater for its entire length and leads to the chimney-flue 11. The latter is provided with a projection 12 to deflect the hot gases and cause the same to flow up in close contact with the rear face 4 of the heater.

The water-box 2 will be of a size to set into any ordinary fireplace with its front face inside of the fireplace-walls andexposed like an ordinary gas-grate. The burner may be any form of gas or other burner, such as shown at 13, and is located in front of the water-box and near the base thereof, so that the heat and flame produced by the fire will flow upwardly over the front face of the heater exactly as in an ordinary open gas.- grate. The heat of theflame will be deflected out into the room, thus heating the same in the same manner as ordinary opengrate fires. After passing to the top of the heater instead of going directly to the chimney and being wasted the products of combustion will pass downwardly through the vertical flues 8 inside of the heater to the lower end thereof and then again upwardly through the rear flue 10. In this manner the water-chamber will be heated on its front and back sides and also interiorly by the flues 8. As a consequence practically all of the heat will be absorbed from the products of combustion and ractically no waste of heat will occur. Be ow the heater is a plate 14 to prevent the escape of smoke and heat into the room. This plate is removable to permit cleaning the rear flue.

The flues 8 are sufficient in number and so arranged that they will distribute the heat uniformly over the front face of the heater through the flues themselves and over the rear face of the heater. No one spot on the front or rear faces of the heater gets more or less heat than any other. Furthermore, the series of flues are arranged in line and so close together that they to a large extent divide the water-box into front and rear chambers. As a consequence there are practically two thin bodies or sheets of water exposed on both sides to heat, thus giving a greater and quicker heating capacity.

Our heater provides a convenient way of heating a room in the ordinary manner of an open grate and utilizing the waste heat for raising the temperature of the water in the chamber 2. This water may be used for any purpose whatsoever. We have shown the same applied to heat one or more rooms above, this being accomplished by connecting an ordinary radiator or radiators 15 in the circulation with the heater, the hot-water outlet 6 of the heater being connected to one side of the radiator and the return-pipe from the opposite side of the radiator beingv tically the same amount of fuel as is now re uired in an open grate we can heat not only t e room below, but also a room or rooms above.

The form and construction of the heater may be changed within wide limits without departing from the spirit of our invention. It may also be ornamented in any desired way, so as to make it pleasing to the eye. If desired, more than a single row of fines 8 may be employed, and these may extend in a sinuous as well as in a straight line. The same principle can also be applied to ordinary portable gas-stoves, it only being necessary to provide a casing which will give a draftflue at the back of the heater.

What we claim is 1. A fireplace-heater comprising a waterbox of a size to be set into a fireplace and having a plain exposed front face forming a heat-reflecting wall located inside the firelace-walls, a series of flues through said box om top to bottom of sufficient number and disposed. in a row extending substantially from side to side of said box so as to distribute the heat uniformly over the front and rear faces of the box, the upper ends of said flues communicating with the front face of the box, a draft-flue communicating with the lower ends of said fiues, inlet and outlet pipes for said box, and a burner located at the base of said box and extending substantially from side to side in front thereof.

2. A fireplace-heater comprising a waterbox of a size to be set into a fireplace and having a plain exposed front face located inside of the fireplace-walls and forming a heatreflecting wall, a series of fines extending through said box from top to bottom and being arranged close together and in a row extending substantially from side to side of said box, said fiues communicating at their upper ends with the front face of said box, a draft-flue communicating with the lower ends of said fines and extending upwardly, the rear face of said box forming one wall of said draft-flue, a burner located at the base of said box and extending substantially from side to side in front thereof, and inlet and outlet pi es for said box.

3. A eplace-heater comprising a waterbox of a size to be set into a fireplace and having a plain exposed front face located inside of the fireplace-walls and forming a heat reflecting wall, a series of fines extending through said box from top to bottom and of sufficient number and disposed in a row extending substantially from side to side of said box so as to distribute the heat uniformly over the front and rear faces of the box, a deflecting-hood above said box and forming a passage from the front face thereof to the upper ends of the vertical fiues, a burner located at the base of said box and extending substantially from side to side in front thereof, a draft-flue at the rear of said box communicating with the lower ends of the vertical fiues, and inlet and outlet pipes for said box.

4. A fireplace-heater comprising a waterbox of a size to be set into a fireplace and having a plain exposed front face located inside of the fireplace-walls and forming a heatrefiecting wall, a series of fines extendingthrough said box from top to bottom and arranged in a row extending substantially from side to side of said box and substantially midway between the front and rear faces thereof and communicating at their upper ends with the front face of said box, a burner locatedat the base of said box and extending substantially from side to side in front thereof, a draft-flue behind said box and of substantially the width of said box and communicating with the lower ends of the vertical flues and so arranged as to direct the gases into close contact with the rear face of the box, and inlet and outlet pipes for said box.

5. The combination with a water-heating box of a size to be set into a fireplace and having a plain exposed front face ocated inside of the fireplace-walls and forming a heat-refleeting wall, a burner located at the base of said box and extending substantially from side to side in front thereof, a series of flues extending through said box from top to bottom and of sufficient number and disposed in a row extending substantially from side to side of said box so as to distribute the heat uniformly over the front and rear faces of said box, said flues communicating at their upper ends with the front face of the box, a draft-flue behind said box and communicating with the lower ends of the vertical flues, inlet and outlet pipes for said box, and a radiator in circulation With said inlet and outlet pipes.

6. The combination With a Water-heating box of a size to be set into a fireplace and having a plain exposed front face located inside of the fireplace-Walls and forming a heat-reflecting Wall, a burner located in front of said box and extending substantially from side to side at the base thereof, a series of flues extending through said box from top to bottom and arranged close together in a roW extending substantially from side to side of said box, said flues communicating at their upper ends With the front face of the box, a draft-flue behind said box and communicating With the 

